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@article{DE_1986_22_3_a2, author = {G. T. Gegelia}, title = {On bounded and periodic solutions of even-order nonlinear ordinary differential equations}, journal = {Differencialʹnye uravneni\^a}, pages = {390--396}, publisher = {mathdoc}, volume = {22}, number = {3}, year = {1986}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1986_22_3_a2/} }
G. T. Gegelia. On bounded and periodic solutions of even-order nonlinear ordinary differential equations. Differencialʹnye uravneniâ, Tome 22 (1986) no. 3, pp. 390-396. http://geodesic.mathdoc.fr/item/DE_1986_22_3_a2/